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1 | #ifndef LTT_PRIVATE_H |
2 | #define LTT_PRIVATE_H |
3 | |
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4 | #include <glib.h> |
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5 | #include <ltt/ltt.h> |
6 | #include <ltt/LTTTypes.h> |
7 | #include <ltt/type.h> |
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8 | #include <ltt/trace.h> |
9 | |
10 | /* enumeration definition */ |
11 | |
12 | typedef enum _BuildinEvent{ |
13 | TRACE_FACILITY_LOAD = 0, |
14 | TRACE_BLOCK_START = 17, |
15 | TRACE_BLOCK_END = 18, |
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16 | TRACE_TIME_HEARTBEAT= 19 |
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17 | } BuildinEvent; |
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18 | |
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19 | |
20 | /* structure definition */ |
21 | |
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22 | typedef struct _FacilityLoad{ |
23 | char * name; |
24 | LttChecksum checksum; |
25 | uint32_t base_code; |
26 | } LTT_PACKED_STRUCT FacilityLoad; |
27 | |
28 | typedef struct _BlockStart { |
29 | LttTime time; //Time stamp of this block |
30 | LttCycleCount cycle_count; //cycle count of the event |
31 | uint32_t block_id; //block id |
32 | } LTT_PACKED_STRUCT BlockStart; |
33 | |
34 | typedef struct _BlockEnd { |
35 | LttTime time; //Time stamp of this block |
36 | LttCycleCount cycle_count; //cycle count of the event |
37 | uint32_t block_id; //block id |
38 | } LTT_PACKED_STRUCT BlockEnd; |
39 | |
40 | typedef struct _TimeHeartbeat { |
41 | LttTime time; //Time stamp of this block |
42 | LttCycleCount cycle_count; //cycle count of the event |
43 | } LTT_PACKED_STRUCT TimeHeartbeat; |
44 | |
45 | |
46 | struct _LttType{ |
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47 | char * type_name; //type name if it is a named type |
48 | char * element_name; //elements name of the struct |
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49 | char * fmt; |
50 | int size; |
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51 | LttTypeEnum type_class; //which type |
52 | char ** enum_strings; //for enum labels |
53 | struct _LttType ** element_type; //for array, sequence and struct |
54 | unsigned element_number; //the number of elements |
55 | //for enum, array, sequence and structure |
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56 | }; |
57 | |
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58 | struct _LttEventType{ |
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59 | char * name; |
60 | char * description; |
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61 | int index; //id of the event type within the facility |
62 | LttFacility * facility; //the facility that contains the event type |
63 | LttField * root_field; //root field |
64 | int latest_block; //the latest block using the event type |
65 | int latest_event; //the latest event using the event type |
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66 | }; |
67 | |
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68 | struct _LttField{ |
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69 | unsigned field_pos; //field position within its parent |
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70 | LttType * field_type; //field type, if it is root field |
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71 | //then it must be struct type |
72 | |
73 | off_t offset_root; //offset from the root, -1:uninitialized |
74 | short fixed_root; //offset fixed according to the root |
75 | //-1:uninitialized, 0:unfixed, 1:fixed |
76 | off_t offset_parent; //offset from the parent,-1:uninitialized |
77 | short fixed_parent; //offset fixed according to its parent |
78 | //-1:uninitialized, 0:unfixed, 1:fixed |
79 | // void * base_address; //base address of the field ???? |
80 | |
81 | int field_size; //>0: size of the field, |
82 | //0 : uncertain |
83 | //-1: uninitialize |
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84 | int sequ_number_size; //the size of unsigned used to save the |
85 | //number of elements in the sequence |
86 | |
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87 | int element_size; //the element size of the sequence |
88 | int field_fixed; //0: field has string or sequence |
89 | //1: field has no string or sequenc |
90 | //-1: uninitialize |
91 | |
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92 | struct _LttField * parent; |
93 | struct _LttField ** child; //for array, sequence and struct: |
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94 | //list of fields, it may have only one |
95 | //field if the element is not a struct |
96 | unsigned current_element; //which element is currently processed |
97 | }; |
98 | |
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99 | struct _LttEvent{ |
100 | uint16_t event_id; |
101 | uint32_t time_delta; |
102 | LttTime event_time; |
103 | LttCycleCount event_cycle_count; |
104 | LttTracefile * tracefile; |
105 | void * data; //event data |
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106 | int which_block; //the current block of the event |
107 | int which_event; //the position of the event |
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108 | }; |
109 | |
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110 | struct _LttFacility{ |
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111 | char * name; //facility name |
112 | int event_number; //number of events in the facility |
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113 | LttChecksum checksum; //checksum of the facility |
114 | uint32_t base_id; //base id of the facility |
115 | LttEventType ** events; //array of event types |
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116 | LttType ** named_types; |
117 | int named_types_number; |
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118 | }; |
119 | |
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120 | struct _LttTracefile{ |
121 | char * name; //tracefile name |
122 | LttTrace * trace; //trace containing the tracefile |
123 | int fd; //file descriptor |
124 | off_t file_size; //file size |
125 | unsigned block_size; //block_size |
126 | int block_number; //number of blocks in the file |
127 | int which_block; //which block the current block is |
128 | int which_event; //which event of the current block |
129 | //is currently processed |
130 | LttTime current_event_time; //time of the current event |
131 | BlockStart * a_block_start; //block start of the block |
132 | BlockEnd * a_block_end; //block end of the block |
133 | void * cur_event_pos; //the position of the current event |
134 | void * buffer; //the buffer containing the block |
135 | double cycle_per_nsec; //Cycles per nsec |
136 | unsigned cur_heart_beat_number; //current number of heart beat in the buf |
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137 | LttCycleCount cur_cycle_count; //current cycle count of the event |
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138 | void * last_event_pos; |
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139 | |
140 | LttTime prev_block_end_time; //the end time of previous block |
141 | LttTime prev_event_time; //the time of the previous event |
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142 | LttEvent an_event; |
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143 | }; |
144 | |
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145 | struct _LttTrace{ |
146 | char * pathname; //the pathname of the trace |
147 | guint facility_number; //the number of facilities |
148 | guint control_tracefile_number; //the number of control files |
149 | guint per_cpu_tracefile_number; //the number of per cpu files |
150 | LttSystemDescription * system_description;//system description |
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151 | |
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152 | GPtrArray *control_tracefiles; //array of control tracefiles |
153 | GPtrArray *per_cpu_tracefiles; //array of per cpu tracefiles |
154 | GPtrArray *facilities; //array of facilities |
155 | LttArchSize my_arch_size; //data size of the local machine |
156 | LttArchEndian my_arch_endian; //endian type of the local machine |
157 | }; |
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158 | |
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159 | struct _LttEventPosition{ |
160 | unsigned block_num; //block which contains the event |
161 | unsigned event_num; //event index in the block |
162 | unsigned event_offset; //event position in the block |
163 | LttTime event_time; //the time of the event |
164 | LttCycleCount event_cycle_count; //the cycle count of the event |
165 | unsigned heart_beat_number; //current number of heart beats |
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166 | LttTracefile *tf; //tracefile containing the event |
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167 | gboolean old_position; //flag to show if it is the position |
168 | //being remembered |
169 | }; |
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170 | |
171 | /***************************************************************************** |
172 | macro for size of some data types |
173 | *****************************************************************************/ |
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174 | #define EVENT_ID_SIZE sizeof(uint16_t) |
175 | #define TIME_DELTA_SIZE sizeof(uint32_t) |
176 | #define EVENT_HEADER_SIZE (EVENT_ID_SIZE + TIME_DELTA_SIZE) |
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177 | |
178 | |
179 | |
180 | |
181 | /* obtain the time of an event */ |
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182 | LttTime getEventTime(LttTracefile * tf); |
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183 | |
184 | /* get the data type size and endian type of the local machine */ |
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185 | void getDataEndianType(LttArchSize * size, LttArchEndian * endian); |
186 | |
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187 | /* get an integer number */ |
188 | int getIntNumber(int size1, void *evD); |
189 | |
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190 | /* open facility */ |
191 | void ltt_facility_open(LttTrace * t, char * facility_name); |
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192 | |
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193 | /* get facility by event id */ |
194 | LttFacility * ltt_trace_facility_by_id(LttTrace * trace, unsigned id); |
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195 | |
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196 | /* open tracefile */ |
197 | LttTracefile * ltt_tracefile_open(LttTrace *t, char * tracefile_name); |
198 | void ltt_tracefile_open_cpu(LttTrace *t, char * tracefile_name); |
199 | void ltt_tracefile_open_control(LttTrace *t, char * control_name); |
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200 | |
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201 | |
202 | #endif /* LTT_PRIVATE_H */ |